CN114593854A - Forced detection system for starting up of workstation - Google Patents
Forced detection system for starting up of workstation Download PDFInfo
- Publication number
- CN114593854A CN114593854A CN202210280699.6A CN202210280699A CN114593854A CN 114593854 A CN114593854 A CN 114593854A CN 202210280699 A CN202210280699 A CN 202210280699A CN 114593854 A CN114593854 A CN 114593854A
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- detector
- frequency
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a forced detection system for starting up a workstation, which comprises a clamp and a detection unit; the detection units are uniformly and respectively arranged on the clamping plates of the clamp, the output end of the miniature clamping cylinder of the detection head is connected with the clamping block, and the clamping block is provided with a detector; the pressure detection module of the detector is used for detecting the pressure acted on the workpiece and the detector; a signal generation module of the detector correspondingly generates a frequency signal according to the pressure of the pressure detection module; the pressure calculation module of the detector calculates the amplitude ratio according to the frequency signal and implements inverse conversion according to the preset amplitude ratio, so that the pressure applied to the detector can be calculated.
Description
Technical Field
The invention relates to the technical field of workstation startup, in particular to a forced detection system for workstation startup.
Background
In the prior art, when the workstation is started, the whole-course comprehensive detection can not be carried out on the aspect of a workpiece clamp, a cylinder adopted by the conventional clamp drives a clamping plate, a detection unit is not arranged on the clamping plate, parameters can not be set on the workpiece before the start, the workpiece can be ensured to be clamped stably by referring to the set parameters in real time when the workpiece is started.
Disclosure of Invention
The invention aims to solve the problems of the background art, and provides a forced detection system for the startup of a workstation, which sets an amplitude ratio to a clamp before the startup, so that in the actual working process, the clamp performs clamping work according to the amplitude ratio, the clamp can monitor the clamping state of a workpiece in real time, the clamping safety is ensured, and when the actual amplitude ratio deviates from the amplitude ratio standard value B, the real-time feedback can be performed, and the pressure of each corresponding clamping block and the workpiece is adjusted.
The purpose of the invention can be realized by the following technical scheme:
a forced detection system for starting up a workstation comprises a clamp and a detection unit;
the detection units are uniformly arranged on the clamping plates of the clamp respectively and are composed of a plurality of groups of detection heads, and the detection data of the detection heads are X respectively1、X2、X3、……Xn；
The output end of a miniature clamping cylinder of the detection head is connected with a clamping block, and a detector is arranged on the clamping block;
the pressure detection module of the detector is used for detecting the pressure acted on the workpiece and the detector;
a signal generation module of the detector correspondingly generates a frequency signal according to the pressure of the pressure detection module;
the pressure calculation module of the detector calculates the amplitude ratio according to the frequency signal and performs inverse conversion according to a preset amplitude ratio value, so that the pressure applied to the detector can be calculated.
As a further scheme of the invention: the plurality of micro clamping cylinders are arranged in a circular manner.
As a further scheme of the invention: the signal generation module comprises a first signal generation module, a second signal generation module and an nth signalA number generation module; the first signal generation module generates a signal S of a first frequency1(ii) a The second signal generation module generates a signal S of a second frequency2(ii) a The nth signal generation module generates a signal S of nth frequencynSignal S of a first frequency1Signal S of a second frequency2And signal S of nth frequencynAll of which are signals generated by different detectors on a single group of detector heads.
As a further scheme of the invention: the detector also comprises a receiving module, wherein the input end of the receiving module is connected with the control module, and the output end of the receiving module is connected with the pressure calculation module.
As a further scheme of the invention: the calculation formula of the pressure calculation module is a1+a2+……+an＝A，a1*a2*……*an＝A，|a1-a2|＝Y1,|a2-a3|＝Y2……,|an-1-an|＝Yn-1(ii) a Corresponding generation a1、a2……an(ii) a Then a1：a2：……：an＝B；
A is the sum of the point values of all detectors obtained by corresponding to a single detection head; and B is the standard value of the amplitude ratio when the workpiece is clamped.
As a further scheme of the invention: the detector also comprises a feedback module which generates a signal S of the first frequency by the first signal generation module calculated by the pressure calculation module1A value of1n(ii) a The second signal generation module generates a signal S of a second frequency2A value of2n(ii) a The nth signal generation module generates a signal S of nth frequencynA value of ann。
As a further scheme of the invention: according to a1n、a2n……annThe numerical value is sent to the micro clamping cylinder through the feedback module to control the micro clamping cylinder to work, and the pressure value between each clamping block and the workpiece is respectively equal to a1n、a2n……annAnd (4) corresponding to each other.
The invention has the beneficial effects that:
the invention detects the pressure acted on the workpiece and the detector by the pressure detection module, and the pressure value of each detection head passes through the nth signal generation module of the first signal generation module and the second signal generation module … … to correspond to the production S1、S2……Sn(ii) a Will S1、S2……SnSent to a pressure calculation module according to a1+a2+……+an＝A，a1*a2*……*an＝A，|a1-a2|＝Y1,|a2-a3|＝Y2……,|an-1-an|＝Yn-1(ii) a Corresponding generation a1、a2……an(ii) a Then a1：a2：……：anObtaining an amplitude ratio standard value B when the workpiece is clamped; in the actual clamping process, the real-time numerical value of the detector is used for obtaining an actual amplitude ratio B, and the actual amplitude ratio B is compared with a preset amplitude ratio B, so that the acting force for clamping the workpiece is adjusted in real time; therefore, the amplitude ratio is set for the clamp before starting up, so that clamping work is carried out according to the amplitude ratio in the actual working process, the clamping state of the workpiece can be monitored in real time by the clamp, the clamping safety is ensured, and when the actual amplitude ratio deviates from the amplitude ratio standard value B, real-time feedback can be carried out, and the pressure of each corresponding clamping block and the workpiece can be adjusted.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention is a forced detection system for workstation startup, including a fixture and a detection unit;
the detection units are uniformly arranged on the clamping plates of the clamp respectively and are composed of a plurality of groups of detection heads, and the detection data of the detection heads are X respectively1、X2、X3、……Xn(ii) a Meanwhile, the mean value of the detection data from the time before workpiece clamping to the time after workpiece clamping is calculated to be Xa；
The detection head comprises a micro clamping cylinder, a plurality of micro clamping cylinders are arranged in a circular manner, the output end of each micro clamping cylinder is connected with a clamping block, and a detector is arranged on each clamping block;
before starting up, different types of workpieces are subjected to clamping test through a clamp, the number of response points of all sensors on a detection head is counted, the sum of the values of all detector points on the detection head is recorded as A, and the A is a preset value of the detection head;
the detector can change the amplitude ratio between the two signals, so that the pressure of the detection head and the workpiece is obtained in the clamping process;
the detector comprises a pressure detection module, a first signal generation module, a second signal generation module and an nth signal generation module; the pressure detection module is respectively connected with the first signal generation module and the second signal generation module;
the pressure detection module can detect the pressure acted on the workpiece and the detector; the pressure detection module comprises a resonant circuit, wherein the resonant circuit comprises at least one of a variable capacitor, a variable coil and a variable resistor;
the first signal generation module may generate a signal S of a first frequency1(ii) a The second signal generation module may generate a signal S of a second frequency2(ii) a The nth signal generation module may generate the signal S of the nth frequencynSignal S of a first frequency1Signal S of a second frequency2And signal S of nth frequencynAll of which detect signals generated by different detectors on the head；
Signal S of a first frequency1Signal S of a second frequency2The nth signal generating module is signals with different frequencies; the control module can adjust the signal S of the first frequency by controlling the first signal generation module and the second signal generation module1And a signal S of a second frequency2The amplitude ratio of (d);
the detector also comprises a receiving module and a pressure calculating module, wherein the input end of the receiving module is connected with the control module, and the output end of the receiving module is connected with the pressure calculating module; the receiving module is used for receiving a signal S of a first frequency1Signal S of a second frequency2And signal S of nth frequencyn(ii) a The pressure calculation module calculates a signal S of a first frequency received by the receiving module1Signal S of a second frequency2And signal S of nth frequencynThe amplitude ratio of (d); judging whether the amplitude ratio is in a preset range, if so, normally clamping the workpiece by the clamp, and if not, carrying out reverse conversion according to the preset amplitude ratio so as to calculate the pressure applied to the workpiece;
the feedback module can generate a signal S of a first frequency by a first signal generation module calculated by the pressure calculation module1A value of1n(ii) a The second signal generation module may generate a signal S of a second frequency2A value of2n(ii) a The nth signal generation module may generate the signal S of the nth frequencynA value ofnnThe clamping force is sent to the micro clamping cylinders in a one-to-one correspondence manner, and the acting force of the clamping blocks and the workpiece is adjusted;
the detector specifically works as follows:
step 1: if the pressure detection module detects that the pressure between the workpiece and the detector is AJ, according to the calculation formula a1+a2+……+an＝AJ，a1*a2*……*an＝AJ，|a1-a2|＝Y1,|a2-a3|＝Y2……,|an-1-an|＝Yn-1Wherein Y is1、Y2……Yn-1All the signals are constant values, so that the value of the signal S1 with the first frequency is a1, the value of the signal S2 with the second frequency is a2, the value of the signal Sn with the nth frequency is an, the amplitude ratio b is sent to a pressure calculation module through a receiving module, and then the amplitude ratio a of the signal S1 with the first frequency, the signal S2 with the second frequency and the signal Sn with the nth frequency is obtained through a pressure calculation module1：a2：……：an＝b；
Step 2: the preset value of the pressure calculation module of each group of detection heads is B1-B2, if the amplitude ratio B obtained by the pressure calculation module is in the range of B1 and B2, the clamping of the clamp on the workpiece is effective, and the workpiece is in a stable state during carrying;
and step 3: when the amplitude ratio b obtained by the pressure calculation module is not in the range of b1 and b2, the clamping of the workpiece by the clamp is invalid, and the workpiece conveying is in an unstable state; at this time, the B value is inversely converted according to the calculation formula of the inverse conversion as a1n+a2n+……+ann＝B，a1n*a2n*……*annThe first signal generation module can generate the signal S of the first frequency in reverse direction1A value of1n(ii) a The second signal generation module may generate a signal S of a second frequency2A value of2n(ii) a The nth signal generation module may generate the signal S of the nth frequencynA value ofnn；
Then according to a1n、a2n……annThe numerical value is sent to the micro clamping cylinder through the feedback module to control the micro clamping cylinder to work, and the pressure value between each clamping block and the workpiece is respectively equal to a1n、a2n……annThe workpieces are in one-to-one correspondence, so that stable clamping and fixing of the workpieces are guaranteed.
Example 2
A working method of a forced detection system for starting up a workstation comprises the following steps:
step 1: firstly, placing a workpiece on a clamp for clamping test, wherein the sum of the point values of all detectors obtained by a single detection head is A;
and 2, step: the pressure detection module detects the pressure acted on the workpiece and the detector, and the pressure value of each detection head passes through the first signal generation module and the nth signal generation module … … corresponding to the production S1、S2……Sn；
And step 3: will S1、S2……SnSent to a pressure calculation module according to a1+a2+……+an＝A，a1*a2*……*an＝A，|a1-a2|＝Y1,|a2-a3|＝Y2……,|an-1-an|＝Yn-1(ii) a Corresponding generation a1、a2……an(ii) a Then a1：a2：……：anObtaining an amplitude ratio standard value B when the workpiece is clamped;
and 4, step 4: in the actual clamp process, the actual amplitude ratio B is obtained through the real-time numerical value of the detector and is compared with the preset amplitude ratio B, so that the acting force for clamping the workpiece is adjusted in real time.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. A forced detection system for starting up a workstation is characterized by comprising a clamp and a detection unit;
the detection units are uniformly arranged on the clamping plates of the clamp respectively and are composed of a plurality of groups of detection heads, and the detection data of the detection heads are X respectively1、X2、X3、……Xn；
The output end of a micro clamping cylinder of the detection head is connected with a clamping block, and a detector is arranged on the clamping block;
the pressure detection module of the detector is used for detecting the pressure acted on the workpiece and the detector;
a signal generation module of the detector correspondingly generates a frequency signal according to the pressure of the pressure detection module;
a pressure calculation module of the detector calculates an amplitude ratio according to the frequency signal and performs inverse conversion according to a preset amplitude ratio, thereby calculating the pressure applied to the detector.
2. The system of claim 1, wherein the plurality of micro clamping cylinders are arranged in a circular pattern.
3. The system for forcibly detecting the startup of the workstation according to claim 1, wherein the signal generating module comprises a first signal generating module, a second signal generating module and an nth signal generating module; the first signal generation module generates a signal S of a first frequency1(ii) a The second signal generation module generates a signal S of a second frequency2(ii) a The nth signal generation module generates a signal S of nth frequencynSignal S of a first frequency1Signal S of a second frequency2And signal S of nth frequencynAll of which are signals generated by different detectors on a single group of detector heads.
4. The system of claim 1, wherein the detector further comprises a receiving module, an input end of the receiving module is connected to the control module, and an output end of the receiving module is connected to the pressure calculating module.
5. The system of claim 1, wherein the pressure calculation module has a formula of a1+a2+……+an＝A，a1*a2*……*an＝A，|a1-a2|＝Y1,|a2-a3|＝Y2……,|an-1-an|＝Yn-1(ii) a Corresponding generation a1、a2……an(ii) a Then a1：a2：……：an＝B；
A is the sum of the point values of all detectors obtained by corresponding to a single detection head; and B is the standard value of the amplitude ratio when the workpiece is clamped.
6. The system as claimed in claim 1, wherein the detector further comprises a feedback module for generating the first frequency signal S from the first signal generated by the pressure calculation module1A value of1n(ii) a The second signal generation module generates a signal S of a second frequency2A value of2n(ii) a The nth signal generation module generates a signal S of nth frequencynA value ofnn。
7. A system for forced detection of a workstation startup according to claim 6 characterized in that according to a1n、a2n……annThe numerical value is sent to the micro clamping cylinder through the feedback module to control the micro clamping cylinder to work, and the pressure value between each clamping block and the workpiece is respectively equal to a1n、a2n……annAnd correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280699.6A CN114593854B (en) | 2022-03-21 | 2022-03-21 | Forced detection system for starting up of workstation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280699.6A CN114593854B (en) | 2022-03-21 | 2022-03-21 | Forced detection system for starting up of workstation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114593854A true CN114593854A (en) | 2022-06-07 |
| CN114593854B CN114593854B (en) | 2023-07-28 |
Family
ID=81810917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210280699.6A Active CN114593854B (en) | 2022-03-21 | 2022-03-21 | Forced detection system for starting up of workstation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114593854B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1413461A2 (en) * | 1985-12-27 | 1988-07-30 | Предприятие П/Я В-8685 | Gas pulser for dynamic calibration of pressure transducers |
| CN104475864A (en) * | 2014-11-28 | 2015-04-01 | 杭州电子科技大学 | Vibratory saw-cutting device and method based on electro-hydraulic servo excitation |
| CN107271097A (en) * | 2017-06-09 | 2017-10-20 | 北京工业大学 | A kind of device and method of real-time measurement bolt clamping force decay |
| DE102018005422A1 (en) * | 2018-07-07 | 2020-01-09 | Ptg Präzisionstechnologien Goldau Gmbh | Arrangement for reproducible clamping of identical workpieces and method for operating the arrangement |
| WO2020056490A1 (en) * | 2018-09-19 | 2020-03-26 | Tory Weber | Clamping device with force sensing |
| CN112881240A (en) * | 2021-01-18 | 2021-06-01 | 南京航空航天大学 | Piezoelectric-excitation mode-switching-type micro-control measurement system and method thereof |
| CN113299042A (en) * | 2021-05-24 | 2021-08-24 | 淮北市华明工业变频设备有限公司 | Safety early warning system for frequency conversion equipment of industrial electrical appliance |
-
2022
- 2022-03-21 CN CN202210280699.6A patent/CN114593854B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1413461A2 (en) * | 1985-12-27 | 1988-07-30 | Предприятие П/Я В-8685 | Gas pulser for dynamic calibration of pressure transducers |
| CN104475864A (en) * | 2014-11-28 | 2015-04-01 | 杭州电子科技大学 | Vibratory saw-cutting device and method based on electro-hydraulic servo excitation |
| CN107271097A (en) * | 2017-06-09 | 2017-10-20 | 北京工业大学 | A kind of device and method of real-time measurement bolt clamping force decay |
| DE102018005422A1 (en) * | 2018-07-07 | 2020-01-09 | Ptg Präzisionstechnologien Goldau Gmbh | Arrangement for reproducible clamping of identical workpieces and method for operating the arrangement |
| WO2020056490A1 (en) * | 2018-09-19 | 2020-03-26 | Tory Weber | Clamping device with force sensing |
| CN112881240A (en) * | 2021-01-18 | 2021-06-01 | 南京航空航天大学 | Piezoelectric-excitation mode-switching-type micro-control measurement system and method thereof |
| CN113299042A (en) * | 2021-05-24 | 2021-08-24 | 淮北市华明工业变频设备有限公司 | Safety early warning system for frequency conversion equipment of industrial electrical appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114593854B (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI748833B (en) | Punching abnormality detection system | |
| US4087801A (en) | Apparatus for detecting damages of cutting tools | |
| CN102331424A (en) | Coating quality on-line detection method based on image recognition technology | |
| JPS587414B2 (en) | Electric discharge drilling machine control method and control device | |
| CN110252851A (en) | Method for detecting abnormality and abnormal detector in punch process | |
| TWI726472B (en) | A signal processing method, device and system | |
| CN114593854A (en) | Forced detection system for starting up of workstation | |
| CN111716772A (en) | Nuclear pore membrane automatic production device and method capable of self-adapting beam flow | |
| WO2023184949A1 (en) | Electromagnetic monitoring-based apparatus and method for monitoring hot plug module of distribution terminal | |
| WO2016192379A1 (en) | Method and system for simultaneously verifying amplitude and temperature parameters of electroacoustic conversion apparatus | |
| CN113674730B (en) | Secondary sound source with fault detection function for active noise control system and fault detection method | |
| CN105965953B (en) | A kind of large-scale water press pressure lack intelligent on-line detection method | |
| CN108856307A (en) | A kind of mechanical equipment position detecting device and detection method | |
| CN1735285A (en) | System and method using feedback control to stretch film | |
| CN110944280B (en) | Noise test system and test method for digital microphone | |
| CN112637751A (en) | Voice module test circuit, method, device and storage medium | |
| TWI793490B (en) | Ultrasonic sensor | |
| TWI738139B (en) | Device, system, and method for data acquisition | |
| JPS61164760A (en) | Detecting method of tool breakage | |
| CN101482739B (en) | Position correction apparatus | |
| SU1732364A1 (en) | Device for determining optical time of product maintenance | |
| CN214557476U (en) | Pressure adjusting device for pneumatic three-jaw chuck of numerical control lathe | |
| CN219676134U (en) | Overload circuit early warning device of automatic offline crimping machine | |
| WO2022134130A1 (en) | Self-adaptive electrical parameter test system and method for quality and safety monitoring | |
| JPS6223113A (en) | Detection for end point |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |